Reliability, in practice.
Guides on uptime monitoring, incident communication, and service reliability — written for the teams who carry the pager.
How to Monitor a Linux Server with the Opsentry Agent
A step-by-step guide: install the agent, then configure CPU, memory, disk, PostgreSQL, and log checks — with automatic incidents and multi-channel alerts.
Agent-Based vs External Monitoring: When You Need Both
External checks prove customers can reach you; an on-host agent explains why a server is about to fall over. How CPU, memory, disk, database, and log checks complement external uptime monitoring.
Uptime Monitoring Best Practices for SaaS Teams
What to check, how often, from where, and how to avoid the false positives that teach your team to ignore alerts. A field guide to monitoring that actually catches outages.
How to Communicate Incidents to Customers
When to post the first update, what to say at each stage, and how to write the all-clear — with copy-paste templates for investigating, identified, monitoring, and resolved.
SLA vs SLO vs SLI, Explained with Examples
The three acronyms that govern reliability work, how they fit together, and how error budgets turn an uptime percentage into day-to-day engineering decisions.